#include<bits/stdc++.h>
#define int long long
using namespace std;

int mp[510][510];
int dist();
int n, a, b;

void move(int x1,int y1,int x2,int y2)
{
    if (x1 < x2)
    {
        for (int i = x1;i < x2;i++)
            cout << "D";
    }
    else
    {
        for (int i = x2;i < x1;i++)
            cout << "U";
    }
    if (y1 < y2)
    {
        for (int i = y1;i < y2;i++)
            cout << "R";
    }
    else
    {
        for (int i = y2;i < y1;i++)
            cout << "L";
    }
}
int maha(int n, int x, int y)
{
    int a1 = x - 1+ y -1;
    int a2 = x - 1 + n - y;
    int a3 = n - x + y - 1;
    int a4 = n - x + n - y;
    int mint = min({ a1,a2,a3,a4 });
    if (mint == a1)return 1;
    if (mint == a2)return 2;
    if (mint == a3)return 3;
    return 4;
}
void slove()
{
    cin >> n >> a >> b;
    int mindt = maha(n, a, b);
    if (mindt == 1)
    {
        move(n, n, 1, 1);
        move(1, 1, a, b);
    }
    if (mindt == 2)
    {
        move(n, 1, 1, n);
        move(1, n, a, b);
    }
    if (mindt == 3)
    {
        move(1, n, n, 1);
        move(n, 1, a, b);
    }
    if (mindt == 4)
    {
        move(1,1,n, n);
        move(n, n, a, b);
    }
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
        slove();
    return 0;
}